80256016

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{218087}}^1$

素因数の和:218118

約数の個数: 20

約数和(自身を含む): 162257472

約数和(自身を除く): 82001456

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 218087, 436174, 872348, 1744696, 3489392, 5016001, 10032002, 20064004, 40128008, 80256016]

約数ペア:

[(1, 80256016), (2, 40128008), (4, 20064004), (8, 10032002), (16, 5016001), (23, 3489392), (46, 1744696), (92, 872348), (184, 436174), (368, 218087)]